CN116110391A - Intelligent voice control method, system, equipment and medium for sweeping robot - Google Patents

Intelligent voice control method, system, equipment and medium for sweeping robot Download PDF

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Publication number
CN116110391A
CN116110391A CN202310083244.XA CN202310083244A CN116110391A CN 116110391 A CN116110391 A CN 116110391A CN 202310083244 A CN202310083244 A CN 202310083244A CN 116110391 A CN116110391 A CN 116110391A
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CN
China
Prior art keywords
sweeping robot
target instruction
base station
target
control method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310083244.XA
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Chinese (zh)
Inventor
冯勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Lango Electronic Science and Technology Co Ltd
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Guangzhou Lango Electronic Science and Technology Co Ltd
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Filing date
Publication date
Application filed by Guangzhou Lango Electronic Science and Technology Co Ltd filed Critical Guangzhou Lango Electronic Science and Technology Co Ltd
Priority to CN202310083244.XA priority Critical patent/CN116110391A/en
Publication of CN116110391A publication Critical patent/CN116110391A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24Floor-sweeping machines, motor-driven
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4011Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4091Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/26Speech to text systems
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/04Automatic control of the travelling movement; Automatic obstacle detection
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/06Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/22Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223Execution procedure of a spoken command
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses an intelligent voice control method, system, equipment and medium of a sweeping robot, wherein the method is applied to a local area network server connected with the sweeping robot, a base station and terminal equipment with a voice acquisition function, and specifically comprises the following steps: acquiring a voice message acquired by any one of the terminal devices, identifying the voice message to identify a target keyword, generating a target instruction according to the target keyword, and transmitting the target instruction to the base station; the current positioning data of the sweeping robot are obtained, the base station or the terminal equipment closest to the sweeping robot is controlled according to the current position of the sweeping robot to send the target instruction to the sweeping robot, and the sweeping robot is enabled to execute the operation corresponding to the target instruction. The invention can improve the control accuracy of the sweeping robot and the use experience of the user.

Description

Intelligent voice control method, system, equipment and medium for sweeping robot
Technical Field
The invention relates to the field of intelligent control of sweeping robots, in particular to an intelligent voice control method, system and equipment of a sweeping robot and a storage medium.
Background
The floor sweeping robot can automatically finish floor cleaning work in a room by virtue of artificial intelligence, and automatically returns to a base station for cleaning and charging after cleaning according to a pre-planned route; if the route of the robot is to be changed in the cleaning process of the robot, a user needs to initiate a route changing instruction by using a mobile phone, or the user needs to walk to a base station, and the route of the robot is changed by using a touch panel of the base station; if the mobile phone of the user is not at the side or is far away from the base station, the user needs to find the mobile phone to initiate the change instruction, and the experience is poor. If the user uses the mobile phone to send out the instruction in the area with weak signals, the situation that the base station cannot normally receive the instruction may also occur, so that the sweeping robot cannot respond to the route change request sent by the user.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide an intelligent voice control method of a sweeping robot, improve the control accuracy of the sweeping robot and improve the use experience of a user.
The second purpose of the invention is to provide an intelligent voice control system of the sweeping robot.
It is still another object of the present invention to provide an electronic device.
It is a fourth object of the present invention to provide a computer-readable storage medium.
One of the purposes of the invention is realized by adopting the following technical scheme:
an intelligent voice control method of a sweeping robot is applied to a local area network server connected with the sweeping robot, a base station and terminal equipment with a voice acquisition function; the method comprises the following steps:
acquiring a voice message acquired by any one of the terminal devices, identifying the voice message to identify a target keyword, generating a target instruction according to the target keyword, and transmitting the target instruction to the base station;
the current positioning data of the sweeping robot are obtained, the base station or the terminal equipment closest to the sweeping robot is controlled according to the current position of the sweeping robot to send the target instruction to the sweeping robot, and the sweeping robot is enabled to execute the operation corresponding to the target instruction.
Further, when a plurality of terminal devices located in the same area collect voice messages at the same time, detecting the definition and the integrity of the voice messages collected by each terminal device, and identifying the target keywords of the voice message with the highest definition and integrity.
Further, the method for identifying the target keyword in the voice message comprises the following steps:
and after the voice message is converted into the text, word segmentation is carried out on the text, the segmented words are compared with keywords prestored in a database, if the comparison result is consistent, the words are marked as the target keywords, and an instruction corresponding to the target keywords in the database is called as the target instruction.
Further, the method for sending the target instruction comprises the following steps:
judging whether the sweeping robot is in a specified range taking the base station as an origin or not based on the current positioning data of the sweeping robot, if so, controlling the base station to issue the target instruction to the sweeping robot, and enabling the sweeping robot to execute the operation corresponding to the target instruction.
Further, the base station realizes instruction receiving and transmitting with the sweeping robot through a wireless communication network, and the designated range is set according to the transmission distance of the wireless communication network.
Further, if the position of the sweeping robot is not in the specified range, the distance between the sweeping robot and each terminal device is calculated, and the terminal device with the smallest control distance broadcasts the target instruction so that the sweeping robot can receive the target instruction conveniently.
Further, when the sweeping robot receives the target instruction, the method further comprises:
and acquiring positioning data of the sweeping robot when the sweeping robot executes the operation corresponding to the target instruction in real time, judging whether the operation currently executed by the sweeping robot is identical to the target instruction according to the positioning data, and if not, controlling the base station or the terminal equipment which is nearest to the sweeping robot currently to send the target instruction to the sweeping robot again.
The second purpose of the invention is realized by adopting the following technical scheme:
an intelligent voice control system of a sweeping robot comprises a local area network server, the sweeping robot, a base station and terminal equipment with a voice acquisition function; the sweeping robot, the base station and the terminal equipment are all connected with the local area network server; the local area network server executes the intelligent voice control method of the sweeping robot.
The third purpose of the invention is realized by adopting the following technical scheme:
an electronic device comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the intelligent voice control method of the sweeping robot when executing the computer program.
The fourth purpose of the invention is realized by adopting the following technical scheme:
a computer-readable storage medium having stored thereon a computer program which, when executed, implements the intelligent voice control method of a sweeping robot as described above.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, any terminal equipment in the local area network is used for collecting the voice message so as to change the working state of the sweeping robot, so that the method of sending the instruction only through the mobile phone in the prior art is replaced, a user can send the instruction to the sweeping robot at any corner in a house, and the user experience is improved; meanwhile, the condition that the instruction cannot be transmitted due to poor mobile phone signals can be avoided, and therefore the control accuracy of the sweeping robot is improved.
Drawings
FIG. 1 is a schematic view of the layout of equipment in a room area according to the present invention;
FIG. 2 is a flow chart of an intelligent voice control method of the sweeping robot;
fig. 3 is a schematic block diagram of an intelligent voice control system of the sweeping robot.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1
The embodiment provides an intelligent voice control method of a sweeping robot, which is applied to the same local area network, wherein the same local area network comprises the sweeping robot, a base station, terminal equipment and a local area network server, wherein the terminal equipment is intelligent equipment with a voice acquisition module and can acquire environmental sounds; and the sweeping robot, the base station and the terminal equipment are all connected with the local area network server to realize mutual communication.
As shown in fig. 1, a user may arrange an intelligent device with a voice acquisition module at different positions in the area where the user is located in advance, for example, an intelligent sound box, an intelligent mobile phone, an intelligent computer, an intelligent television and other intelligent devices may be installed in each room in the house of the user, and simultaneously, voice opening authority of each device is set, so that the voice of the user is acquired after the device is awakened; meanwhile, the floor sweeping robot and the base station thereof are arranged at any position of the house, the floor sweeping robot can plan a cleaning route according to the layout of the house, the floor sweeping robot can move according to the cleaning route and clean the ground in the moving process, and meanwhile, the floor sweeping robot can return to the base station for cleaning or charging.
The base station, the sweeping robot and each terminal device in the house are connected with the local area network server through the network module of the base station, the sweeping robot and each terminal device, as shown in fig. 2, the following intelligent voice control method of the sweeping robot is realized specifically:
step S1: acquiring a voice message acquired by any one of the terminal devices, identifying the voice message to identify a target keyword, generating a target instruction according to the target keyword, and transmitting the target instruction to the base station;
step S2: the current positioning data of the sweeping robot are obtained, the base station or the terminal equipment closest to the sweeping robot is controlled according to the current position of the sweeping robot to send the target instruction to the sweeping robot, and the sweeping robot is enabled to execute the operation corresponding to the target instruction.
After the arrangement of the equipment and the network in the house is finished, the user can wake up the terminal equipment in the area of the user through voice according to the position of the equipment in the house, and the terminal equipment in the area of the user can collect the voice message of the user after the wake-up, so that the voice message is uploaded to the LAN server for voice recognition.
If the user is located with a plurality of terminal devices in the same area, the user can wake up the appointed terminal device through the appointed wake-up voice to collect the voice message of the user; and when the voice messages with relatively large volume and relatively complete voice content are found in the voice comparison process, the voice messages with highest definition and integrity are used as voice messages, and voice recognition is carried out on the voice messages.
The method for identifying the target keyword in the voice message in this embodiment is as follows:
converting the complete voice message into words, segmenting the words, comparing the segmented words with keywords prestored in a database, constructing the database in advance, storing the appointed keywords set by user definition into the database, and matching each keyword stored in the database with a corresponding control instruction; the control command may be to go to the designated area for cleaning, change the cleaning mode, return to the base station immediately, etc. If the word of the voice message accords with the comparison result of any keyword in the database, marking the word in the voice message as the target keyword, and calling a control instruction corresponding to the target keyword in the database as the target instruction.
After the local area network server determines the target instruction, the target instruction can be issued to the sweeping robot through the local area network; the terminal sending the target instruction can be a certain terminal device close to the sweeping robot or a base station. Before a target instruction is sent, the current position of the sweeping robot is required to be determined, whether the current position of the sweeping robot is close to a base station or not can be determined by acquiring current positioning data acquired by a GPS (global positioning system) of the sweeping robot, namely, whether the current position of the sweeping robot is in a specified range which takes the base station as an origin and extends outwards for a specified distance is judged, wherein the base station realizes instruction receiving and sending with the sweeping robot through a wireless communication network, so that the specified range is set according to the transmission distance of the wireless communication network, and the farther the signal transmission distance between the sweeping robot and the base station is, the larger the specified range is; the wireless communication network may be bluetooth, a hotspot network transmitted by the base station, or the like.
If the current position of the sweeping robot is in the specified range, the distance between the sweeping robot and the base station is relatively low, and the local area network server issues the target instruction to the base station, and the base station sends the target instruction to the sweeping robot through the Bluetooth or the hot spot network of the base station, so that the sweeping robot executes the operation corresponding to the target instruction.
If the position of the sweeping robot is judged to be not in the specified range, the distance between the sweeping robot and the base station is relatively far, and the sweeping robot can not normally receive the command sent by the base station at the moment, so that the current positioning data of the sweeping robot are obtained again at the moment, the distance between the sweeping robot and each terminal device is calculated according to the positioning data, a terminal device with the nearest distance between the current sweeping robot and the terminal device is found, a local area network server can send a target command to the terminal device with the nearest distance between the current sweeping robot and the terminal device, the terminal device is controlled to transmit the target command to the sweeping robot in a broadcast mode, and the sweeping robot can execute corresponding operation according to the target command after receiving the target command.
When the sweeping robot receives the target instruction, the local area network server also needs to acquire positioning data of the sweeping robot when the sweeping robot executes operations corresponding to the target instruction in real time, identifies the real-time position of the sweeping robot according to the positioning data, judges whether the current operation executed by the sweeping robot is identical to the target instruction according to the real-time position change of the sweeping robot, for example, if the target instruction is to enable the sweeping robot to return to a base station, the trend of the sweeping robot is determined according to the real-time positioning data of the sweeping robot, and judges whether the sweeping robot returns to the position of the base station, so that whether the sweeping robot executes the operations according to the target instruction is determined. If the current operation of the sweeping robot is different from the operation corresponding to the target instruction, which means that the sweeping robot may not receive the target instruction, the local area network server can repeat the steps to find the equipment closest to the sweeping robot, and control the base station or the terminal equipment closest to the sweeping robot to send the target instruction to the sweeping robot again until the sweeping robot completes the operation according to the target instruction.
Example two
The embodiment provides an intelligent voice control system of a sweeping robot, which comprises a local area network server, the sweeping robot, a base station and terminal equipment with a voice acquisition function; the sweeping robot, the base station and the terminal equipment are all connected with the local area network server. The local area network server executes the intelligent voice control method of the sweeping robot according to the first embodiment.
As shown in fig. 3, the lan server includes:
the voice recognition module is used for acquiring the voice message acquired by any terminal equipment, recognizing the voice message to identify a target keyword, generating a target instruction according to the target keyword and transmitting the target instruction to the base station;
the terminal determining module is used for acquiring the current positioning data of the sweeping robot and determining a terminal closest to the sweeping robot according to the current position of the sweeping robot;
the instruction issuing module is used for issuing a target instruction to the base station or the terminal equipment nearest to the sweeping robot, controlling the base station or the terminal equipment nearest to the sweeping robot to send the target instruction to the sweeping robot, and enabling the sweeping robot to execute operations corresponding to the target instruction.
In some embodiments, there is also provided an electronic device including a processor, a memory, and a computer program stored on the memory and executable on the processor, the processor implementing the intelligent voice control method of the sweeping robot of embodiment one when executing the computer program.
In addition, in some embodiments, there is also provided a computer readable storage medium having stored thereon a computer program which when executed implements the intelligent voice control method of the floor sweeping robot described above.
The system, the device, and the storage medium described above and the method in the foregoing embodiments are based on various aspects of the same inventive concept, and the detailed description of the method implementation has been given above, so those skilled in the art can clearly understand the structure and implementation of the system, the device, and the storage medium in this embodiment according to the foregoing description, and the details are not repeated herein for brevity.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (10)

1. The intelligent voice control method of the sweeping robot is characterized by being applied to a local area network server connected with the sweeping robot, a base station and terminal equipment with a voice acquisition function; the method comprises the following steps:
acquiring a voice message acquired by any one of the terminal devices, identifying the voice message to identify a target keyword, generating a target instruction according to the target keyword, and transmitting the target instruction to the base station;
the current positioning data of the sweeping robot are obtained, the base station or the terminal equipment closest to the sweeping robot is controlled according to the current position of the sweeping robot to send the target instruction to the sweeping robot, and the sweeping robot is enabled to execute the operation corresponding to the target instruction.
2. The intelligent voice control method of the sweeping robot according to claim 1, wherein when a plurality of terminal devices located in the same area collect voice messages at the same time, the definition and the integrity of the voice message collected by each terminal device are detected, and recognition of target keywords is performed on the voice message with the highest definition and integrity.
3. The intelligent voice control method of a sweeping robot according to claim 2, wherein the method for recognizing the target keyword in the voice message is as follows:
and after the voice message is converted into the text, word segmentation is carried out on the text, the segmented words are compared with keywords prestored in a database, if the comparison result is consistent, the words are marked as the target keywords, and an instruction corresponding to the target keywords in the database is called as the target instruction.
4. The intelligent voice control method of the sweeping robot according to claim 3, wherein the method for transmitting the target instruction is:
judging whether the sweeping robot is in a specified range taking the base station as an origin or not based on the current positioning data of the sweeping robot, if so, controlling the base station to issue the target instruction to the sweeping robot, and enabling the sweeping robot to execute the operation corresponding to the target instruction.
5. The intelligent voice control method of a sweeping robot according to claim 4, wherein the base station transmits and receives instructions to and from the sweeping robot through a wireless communication network, and the specified range is set according to a transmission distance of the wireless communication network.
6. The intelligent voice control method of the sweeping robot according to claim 4, wherein if the position of the sweeping robot is not within the specified range, the distance between the sweeping robot and each terminal device is calculated, and the terminal device with the smallest control distance broadcasts the target instruction so that the sweeping robot can receive the target instruction.
7. The intelligent voice control method of a sweeping robot according to claim 1, further comprising, after the sweeping robot receives the target instruction:
and acquiring positioning data of the sweeping robot when the sweeping robot executes the operation corresponding to the target instruction in real time, judging whether the operation currently executed by the sweeping robot is identical to the target instruction according to the positioning data, and if not, controlling the base station or the terminal equipment which is nearest to the sweeping robot currently to send the target instruction to the sweeping robot again.
8. The intelligent voice control system of the sweeping robot is characterized by comprising a local area network server, the sweeping robot, a base station and terminal equipment with a voice acquisition function; the sweeping robot, the base station and the terminal equipment are all connected with the local area network server; the local area network server executes the intelligent voice control method of the sweeping robot according to any one of claims 1 to 7.
9. An electronic device, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the intelligent voice control method of the sweeping robot according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when executed, implements the intelligent voice control method of the sweeping robot of any one of claims 1 to 7.
CN202310083244.XA 2023-01-18 2023-01-18 Intelligent voice control method, system, equipment and medium for sweeping robot Pending CN116110391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310083244.XA CN116110391A (en) 2023-01-18 2023-01-18 Intelligent voice control method, system, equipment and medium for sweeping robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310083244.XA CN116110391A (en) 2023-01-18 2023-01-18 Intelligent voice control method, system, equipment and medium for sweeping robot

Publications (1)

Publication Number Publication Date
CN116110391A true CN116110391A (en) 2023-05-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310083244.XA Pending CN116110391A (en) 2023-01-18 2023-01-18 Intelligent voice control method, system, equipment and medium for sweeping robot

Country Status (1)

Country Link
CN (1) CN116110391A (en)

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